Description:

This newest addition to the TechOne Series provides expert coverage of the theory, diagnosis, and repair for today?s modern fuel and emission system designs. Topics covered include OBD-II, alternative fuel vehicles, and I/M 240 diagnostics and testing. Computer systems, fuel delivery, and fuel system principles are also discussed in detail.

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Book details

Barry Hollembeak has been involved in the automotive repair industry for nearly 40 years and has provided instruction to dealership technicians for the past 20 years as a technical trainer. Hollembeak entered the automotive technology field in 1974 as a service technician, working in both fleet and independent repair shops before opening his own repair facility. After selling his business and retiring as a technician, he became an instructor and author, teaching automotive technology at the post-secondary level for five years and serving as director of education for two years. Hollembeak then entered into manufacturer training. He is a Master and Advanced Engine Performance Certified… Technician with ASE and is a member of the Colorado Automotive Teachers Society. Hollembeak is involved with the College Automotive Program, AYES and SkillsUSA and has been a guest speaker for NATEF, CATS, and several other organizations.

Preface

About the Author

Acknowledgments

Features of the Text

Safety and Communication

Safe Work Practices

Introduction

Personal Safety

Fire Hazards and Prevention

Lifting the Vehicle

Running the Vehicle while in the Shop

Hazardous Materials

Fuel System Safety

Summary

Review Questions

Special Tools and Equipment

Introduction

Fuel Pressure Gauge

Injector Balance Tester

Fuel-Injector Cleaner

Flow Meters

Evaporative Emissions Leak Detector

Exhaust Analyzers

Engine Analyzers

Scan Tools

Special Hand Tools

Service Information

Summary

Review Questions

Electrical Test Equipment

Introduction

Test Lights

Injector Circuit Test Light

Logic Probes

Multimeters

Lab Scopes

Summary

Review Questions

Working as a Fuels and Emissions Technician

Introduction

Compensation

Workplace Relationships

Customer Relations

ASE Certification

Duties of a Fuels and Emissions Technician

Diagnostics

Use and Interpretation of Vehicle Identification and Calibration Numbers

Emissions-Tampering Laws

Summary

Review Questions

Computer Systems

Introduction to the Computer

Introduction

Basic Computer Operation

Analog and Digital Principles

Central Processing Unit

Computer Memory

Information Processing

EMI Suppression

Summary

Review Questions

Computer System Diagnosis

Introduction

Electronic Service Precautions

Powers and Grounds

Trouble Codes

Visual Inspection

Entering Diagnosis

Computer Flashing

Summary

Review Questions

Computer Inputs and Outputs

Introduction

Sensors

Feedback Signals

Computer Controlled Outputs

High-Side and Low-Side Drivers

Summary

Review Questions

Input and Output Diagnostics

Introduction

Testing Sensors

Breakout Boxes

Testing Actuators

Summary

Review Questions

Automotive Fuels

Automotive Fuels

Introduction

Gasoline

Combustion Chemistry

Gasoline Characteristics

Octane Ratings

Oxygenated Fuels

Reformulated Gas

Government Test Fuel

Summary

Review Questions

Alternative Fuels

Introduction

Liquid Petroleum Gas

Natural Gas

Hydrogen

Diesel Fuel

Summary

Review Questions

Basic Fuel Testing

Introduction

Fuel Quality Testing

Diesel Fuel Testing

Typical Procedures for Relieving Fuel Pressure

Fuel-Injector Cleaning

Summary

Review Questions

Fuel Delivery

Fuel Tanks

Introduction

Fuel Tank

Fuel Filler Caps

Rollover Check Valve

Onboard Refueling Vapor Recovery

Summary

Review Questions

Fuel Tank Service

Introduction

Fuel Tank Draining

Fuel Tank Removal

Fuel Filler Cap Testing

Summary

Review Questions

Fuel Pumps and Lines

Introduction

Electric Fuel Pumps

Fuel Filters

Fuel Lines

Fuel Rail

Fuel Pressure Regulation

Summary

Review Questions

Fuel Filter and Fuel Line Service

Introduction

In-line Filter Replacement

Fuel Line Service

Fuel Rail Service

Summary

Review Questions

Electric Fuel Pump Circuits

Introduction

Fuel Pump Relay

Inertia Switch

Circuit-opening Relay

Summary

Review Questions

Fuel Pump Diagnosis and Repair

Introduction

Fuel Pump Diagnosis and Service

Replacing Electric Fuel Pumps

Fuel-level Sending Unit Replacement

Summary

Review Questions

Fuel System Principles

The Importance of the Air-Fuel Ratio

Introduction

The Stoichiometric Ratio

Open Loop versus Closed Loop

Computer-controlled Air-Fuel Ratio Strategy

EFI Modes of Operation

Summary

Review Questions

Adaptive Memory

Introduction

Chrysler's Adaptive Strategies

General Motors's Integrator and Block Learn

Ford's Adaptive Strategies

Import Adaptive Memory Strategy

Summary

Review Questions

Fuel-Injection Systems

Introduction

Injector Internal Design and Electrical Connections

Throttle Body Injection Systems

Port Fuel-Injection Systems

Sequential Fuel-Injection Systems

Multipoint Injection Systems

Central Port Injection Systems

Gasoline Direct-Injection Systems

Summary

Review Questions

Electronic Fuel-Injection Input Sensor Diagnosis and Service

Introduction

Service Precautions

Preliminary Inspection

Input Sensor Diagnosis and Service

Summary

Review Questions

Injector Testing and Service

Introduction

Injector Sound Test

Injector Ohmmeter Test

Noid Light Test

Lab Scope Testing of the Injector

Injector Balance Test

Injector Flow Test

Injector Service

Summary

Review Questions

Scan Tester Diagnostics

Introduction

Scan Tester Functions

Ford Breakout Box Testing

Fuel-Injection Data Recording Interpretation

Summary

Review Questions

Emissions-Control Systems

Emissions and the Automotive Industry

Introduction

Emissions Laws and the Automotive Industry

History of Emissions Laws

The Combustion Process and Exhaust Gases

The Importance of the Air-Fuel Ratio

Summary

Review Questions

Precombustion Controls

Introduction

Precombustion Controls

Summary

Review Questions

Postcombustion Controls

Introduction

Air Injection

Catalytic Converter

Summary

Review Questions

Exhaust Analyzer Operation

Introduction

Exhaust Analyzers

Preparing the Vehicle for Exhaust Gas Testing

Exhaust Testing

Analyzer Results

Locating Cylinder Misfiring

Head Gasket and Combustion Chamber Leaks

Summary

Review Questions

Diagnosing the Emissions System

Introduction

Evaporative Emissions-Control System Diagnosis and Service

Exhaust Gas Recirculation (EGR) System Diagnosis

Electronic EGR Control Diagnosis

Positive Crankcase Ventilation (PCV) System Diagnosis and Service

Air-Injection System Diagnosis and Service

Catalytic Converter Diagnosis

Summary

Review Questions

Onboard Diagnostics Second Generation (OBD-II)

Introduction to OBD-II

Introduction

OBD-I versus OBD-II

Federal Test Procedure Standards

OBD-II Component Requirements

OBD-II Monitors

OBD-II Terms

OBD-II Scan Tool

Summary

Review Questions

DaimlerChrysler's OBD-II

Introduction

Overview

Comprehensive Components Monitor

Fuel System Monitor

Heated Oxygen Sensor Response Monitor

Oxygen Sensor Heater Monitor

Catalyst Monitor

Misfire Monitor

EVAP Monitor

EGR Monitor

Summary

Review Questions

DaimlerChrysler's OBD-II with Next-Generation Controller

Introduction

Freeze-Frame

Good Trip Counter

HO[subscript 2]S Response Monitor

Oxygen Sensor Heater Monitor

Fuel System Lean/Rich Monitor

Misfire Monitor

EVAP and Purge Monitors

Summary

Review Questions

General Motors's OBD-II

Introduction

Diagnostic Executive

Comprehensive Components Monitor

Heated Oxygen Sensor Monitor

Catalyst Monitor

Misfire Monitor

Fuel Trim Monitors

Exhaust Gas Recirculation Monitor

Secondary Air-Injection Monitor

Evaporative Emissions System Monitor

Summary

Review Questions

Ford's OBD-II

Introduction

Catalyst Efficiency Monitor-Steady State

Catalyst Efficiency Monitor-Federal Test Procedure

Evaporative (EVAP) Emissions System Monitor

Misfire Monitor

Fuel System Monitoring

Heated Oxygen Sensor Monitor

Oxygen Sensor Heater Monitor

EGR System Monitoring

Secondary Air-Injection (Air) System Monitor

Comprehensive Components Monitor

Summary

Review Questions

Import OBD-II

Introduction

Evaporative Systems Monitor

Fuel Trim-System Too Lean

Fuel Trim-System Too Rich

System Too Rich

Misfire Monitor

Heated Oxygen Sensor Monitor

Oxygen Sensor Heated Monitor

A/F Sensor Monitor

Summary

Review Questions

Introduction to OBD-II Diagnostics

Introduction

OBD-I versus OBD-II Diagnostics

Generic Scan Tool Modes

Oxygen Sensor and Catalyst System Configurations

Summary

Review Questions

OBD-II Diagnostics-Drive Cycles

Introduction

Executing General Motors's Drive Cycle

Executing Ford's Drive Cycle

Executing Toyota's Drive Cycle

Summary

Review Questions

EVAP Leak Diagnosis

Introduction

Leak-Detection Pump Systems

Vacuum-Type Leak-Detection Testing

Summary

Review Questions

Alternative Fuel and Power Vehicles

Alternative Fuel Vehicles

Introduction

Alternative Gaseous Fuels

CNG and Propane Cylinder Codes

Flex Fuel Vehicles

Summary

Review Questions

Alternative Fuel System Service

Introduction

CNG Fuel System Modes of Operation

CNG Fuel-Delivery System Service

Summary

Review Questions

CNG Electrical Component Diagnostics and Service

Introduction

Fuel Low-Pressure Sensor Testing

Fuel Temperature Sensor Testing

Fuel Gauge Pressure Sensor Testing

High-Pressure Fuel Shutoff Solenoid Testing

Low-Pressure Fuel Shutoff Solenoid Testing

Fuel-Injector Testing

Summary

Review Questions

Vehicles with Alternative Power Sources

Introduction

Electric Vehicles

Hybrid Vehicles

Fuel Cells

Summary

Review Questions

Bilingual Glossary

Index

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